/* ============================================
   Neva Optik Lens - Modern CSS Stylesheet
   ============================================ */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Eye Health Theme */
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --primary-blue-light: #3b82f6;
    --secondary-blue: #60a5fa;
    --light-blue: #dbeafe;
    --white: #ffffff;
    --light-gray: #f8fafc;
    --gray: #64748b;
    --dark-gray: #334155;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

/* Header & Navigation */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.12);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    padding: 0;
}

.header.scrolled .navbar {
    padding: var(--spacing-sm) 0;
}

.navbar {
    padding: var(--spacing-md) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.logo:hover {
    transform: scale(1.05);
}

.logo::before {
    content: "👓";
    font-size: 1.75rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.3));
    transition: transform 0.3s ease;
}

.logo:hover::before {
    transform: rotate(15deg) scale(1.1);
    filter: drop-shadow(0 4px 8px rgba(37, 99, 235, 0.4));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-3px) rotate(-5deg);
    }
    50% {
        transform: translateY(-5px) rotate(0deg);
    }
    75% {
        transform: translateY(-3px) rotate(5deg);
    }
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin: 0;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 50%, var(--primary-blue-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradient-shift 3s ease infinite;
    letter-spacing: -0.5px;
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
}

.logo:hover h1 {
    background-position: 100% center;
    filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.2));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: block;
    overflow: hidden;
    z-index: 1;
}

/* Animated background on hover */
.nav-menu a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, rgba(37, 99, 235, 0.05) 70%, transparent 100%);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.nav-menu a:hover::before {
    width: 300px;
    height: 300px;
}

/* Bottom underline animation */
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--secondary-blue) 50%, var(--primary-blue-light) 100%);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 85%;
}

/* Hover effects */
.nav-menu a:hover {
    color: var(--primary-blue);
    transform: translateY(-3px);
    background-color: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

/* Active state with glow effect */
.nav-menu a.active {
    color: var(--primary-blue);
    font-weight: 600;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(37, 99, 235, 0.06) 100%);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
    animation: pulse-glow 2s ease-in-out infinite;
}

.nav-menu a.active::after {
    width: 85%;
    box-shadow: 0 2px 12px rgba(37, 99, 235, 0.5);
}

/* Pulse glow animation for active link */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
    }
    50% {
        box-shadow: 0 2px 12px rgba(37, 99, 235, 0.35);
    }
}

/* Shimmer effect on hover */
.nav-menu a {
    background-image: linear-gradient(
        90deg,
        transparent,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent,
        transparent
    );
    background-size: 200% 100%;
    background-position: -200% 0;
    transition: background-position 0.8s ease;
}

.nav-menu a:hover {
    background-position: 200% 0;
}

/* CTA Button in Nav */
.nav-cta {
    margin-left: var(--spacing-md);
}

.nav-cta a {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white) !important;
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    border-radius: var(--radius-lg);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    position: relative;
    overflow: hidden;
}

.nav-cta a::before {
    display: none;
}

.nav-cta a::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.nav-cta a:hover::after {
    width: 300px;
    height: 300px;
}

.nav-cta a:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--primary-blue) 100%);
    color: var(--white) !important;
}

.nav-cta a:active {
    transform: translateY(-1px) scale(1.02);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1001;
}

.mobile-menu-toggle:hover {
    background-color: var(--light-blue);
    transform: scale(1.1);
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    border-radius: 3px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}

.mobile-menu-toggle:hover span {
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(9px, 9px);
    background: linear-gradient(90deg, var(--primary-blue-dark) 0%, var(--primary-blue) 100%);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
    width: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(9px, -9px);
    background: linear-gradient(90deg, var(--primary-blue-dark) 0%, var(--primary-blue) 100%);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
}

.btn-primary:hover {
    background-color: var(--light-blue);
    color: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Section Styles */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* About Preview */
.about-preview {
    background-color: var(--light-gray);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.about-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.about-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

/* Services Preview */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--primary-blue);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.text-center {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Why Choose Preview */
.why-choose-preview {
    background-color: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-item {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.feature-item h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
}

/* About Content */
.about-content {
    padding: var(--spacing-2xl) 0;
}

.about-section {
    margin-bottom: var(--spacing-xl);
}

.about-section p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.mission-card,
.vision-card {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
}

.mission-card h3,
.vision-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.values-section {
    margin: var(--spacing-2xl) 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.value-item {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border-top: 3px solid var(--primary-blue);
}

.value-item h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.expertise-section,
.certificates-section {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background-color: var(--light-gray);
    border-radius: var(--radius-lg);
}

/* Services Content */
.services-content {
    padding: var(--spacing-2xl) 0;
}

.service-detail {
    margin-bottom: var(--spacing-2xl);
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.service-detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.service-icon-large {
    font-size: 4rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.service-detail h2 {
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.service-features {
    list-style: none;
    margin-top: var(--spacing-md);
}

.service-features li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-light);
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* Products Content */
.products-content {
    padding: var(--spacing-2xl) 0;
}

.products-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.125rem;
    line-height: 1.8;
}

.product-category {
    margin-bottom: var(--spacing-2xl);
}

.product-category-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.product-category-header h2 {
    color: var(--primary-blue);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 4px solid var(--primary-blue);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-card h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.products-note {
    margin-top: var(--spacing-2xl);
}

.note-box {
    background-color: var(--light-blue);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
    text-align: center;
}

.note-box h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

/* Why Choose Content */
.why-choose-content {
    padding: var(--spacing-2xl) 0;
}

.why-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.125rem;
    line-height: 1.8;
}

.reason-card {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    align-items: flex-start;
}

.reason-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.reason-content h2 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.reason-content ul {
    list-style: none;
    margin-top: var(--spacing-md);
}

.reason-content ul li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-light);
}

.reason-content ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.5rem;
}

/* Blog Content */
.blog-content {
    padding: var(--spacing-2xl) 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.blog-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.blog-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.blog-card h2 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.blog-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.blog-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-light);
}

.blog-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
}

.faq-list {
    margin-top: var(--spacing-md);
}

.faq-item {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h4 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

/* Contact Content */
.contact-content {
    padding: var(--spacing-2xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.contact-info h2 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

.contact-form-wrapper {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.contact-form-wrapper h2 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.map-section {
    margin-top: var(--spacing-2xl);
}

.map-section h2 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.map-placeholder {
    background-color: var(--light-gray);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.map-placeholder p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.map-note {
    font-size: 0.875rem;
    color: var(--gray);
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-col h3,
.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.98) 100%);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        padding: var(--spacing-lg) 0;
        gap: var(--spacing-xs);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
        animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    @keyframes slideInRight {
        from {
            left: -100%;
            opacity: 0;
        }
        to {
            left: 0;
            opacity: 1;
        }
    }

    .nav-menu li {
        width: 100%;
        padding: 0 var(--spacing-md);
    }

    .nav-menu li.nav-cta {
        margin-top: var(--spacing-sm);
        margin-left: 0;
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
        width: 100%;
        border-radius: var(--radius-lg);
        margin-bottom: var(--spacing-xs);
        font-size: 1.125rem;
    }

    .nav-menu .nav-cta a {
        text-align: center;
        margin: var(--spacing-sm) auto;
        max-width: 200px;
    }

    .nav-menu a::before {
        width: 100%;
        height: 100%;
        border-radius: var(--radius-lg);
    }

    .nav-menu a:hover::before {
        width: 100%;
        height: 100%;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .reason-card {
        flex-direction: column;
        text-align: center;
    }

    .mission-vision {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    section {
        padding: var(--spacing-xl) 0;
    }

    .hero {
        min-height: 400px;
        padding: var(--spacing-xl) 0;
    }

    .about-grid,
    .services-grid,
    .features-grid,
    .product-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* Smooth Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.about-card,
.product-card,
.blog-card {
    animation: fadeIn 0.6s ease-out;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .cta-section,
    .btn {
        display: none;
    }
}